Greenhouse Polythene
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Greenhouse Polythene
grekkon greenhouse

Greenhouse Polythene

Greenhouse Polythene

The two aspects to greenhouse polythene in Kenya supplied by Grekkon Limited type and color choice are; light, and heat. Light is a factor of the amount of Ultra Violet (UV) radiation your crop is receiving and is necessary for the process of photosynthesis to take place on the crops leaves. Plants make their food through photosynthesis, without which there will be no production. Our UV treated greenhouse paper types vary in the level of UV block treatment. Without UV treatment, your greenhouse paper cannot withstand exposure to the sun’s radiation for long. It will tear up in just a few months. UV treatment keeps it useful for a minimum period of three years.

The amount of heat is determined by the level of Infra Red (IR) light coming through. Crops require warmth for physiological processes to occur. With increasing air temperature, greenhouse crops grow faster up to a certain point. Extreme heat will slow growth and also increase moisture loss. The temperatures for optimal growth vary with the type of plant. Greenhouse crops prefer cooler nighttime temperatures and warmer daytime temperatures.

1. Your Light Factor; Clear v Yellow Polythene
A mono-color rose grower likely uses yellow polythene which with a more intense UV block treatment, allows less UV. Greenhouse vegetables in Kenya enjoy high UV for photosynthesis. As the crop makes more food, the better yield there will be at the end of the season. This is important for fruiting vegetables such as tomato, cucumber, pepper, strawberry and chilli in the greenhouse. Your fruiting crop requires plenty of food to continually fruit in the season. Clear polythene gives more light and is best at attaining this for a grower. Bi-color flowers too require higher UV for a broader flower color spectrum.

2. Your Heat factor

Clear or yellow greenhouse paper type 205 by Grekkon Limited is used if your greenhouse is in a warm area. These are lowlands or at the coastal belt. It is also used on crops that grow well in low temperatures. This 205 greenhouse polythene paper is without IR treatment, and so retains less heat in the greenhouse. This creates a moderate growing environment for the crop.

Grekkon Limited’s greenhouse paper type 504 will suffice pretty well in cool locations because with its IR treatment, it retains much heat. This is used on greenhouses located in the cool highlands, and on crops that grow well in high temperatures. Again, if the variance between your night and day temperature is wide, greenhouse paper type 504 is recommended.

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